Swimming Calculators
Explore our collection of swimming calculators designed to help you achieve your fitness goals.
CSS Critical Swim Speed Calculator
Calculate your CSS to improve your swimming performance and training.
Swim Pace Calculator
Calculate your swim pace and speed based on distance and time.
Swimming Split Calculator
Plan even swim splits from a goal time and distance, with a full split table per 25, 50, or 100.
Swimming Calorie Calculator
Calculate the calories burned during your swimming workout.
Swimming Training Stress Score (TSS)
Calculate your TSS based on your Functional Threshold Pace and duration.
Swim Time Converter
Convert a swim time between short course yards (SCY), short course meters (SCM), and long course meters (LCM).
Swim Pace Converter
Convert swim pace between per 100m, per 100yd, and per 50m, and project total time for common distances.
SWOLF Calculator
Calculate your SWOLF score from strokes and time per length, with an efficiency rating normalised to 25 m.